LiXin Ge created MAPREDUCE-6903: ----------------------------------- Summary: NPE occured when run MapredTestDriver's testcase Key: MAPREDUCE-6903 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6903 Project: Hadoop Map/Reduce Issue Type: Bug Components: test Affects Versions: 3.0.0-alpha4 Reporter: LiXin Ge Assignee: LiXin Ge
When runing the timelineperformance test from MapredTestDriver without input parameter, an NPE was throwed: {quote} ./hadoop org.apache.hadoop.test.MapredTestDriver timelineperformance ... 2017-06-08 09:32:13,194 ERROR mapreduce.SimpleEntityWriterV1: writing to the timeline service failed java.lang.NullPointerException at org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl.putEntities(TimelineClientImpl.java:178) at org.apache.hadoop.mapreduce.SimpleEntityWriterV1.map(SimpleEntityWriterV1.java:82) at org.apache.hadoop.mapreduce.SimpleEntityWriterV1.map(SimpleEntityWriterV1.java:41) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:793) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) {quote} That's better to add a protection of NULL pointer check. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org